Abstract
SRT had the most important effect on process performance. Biodegradation of the feedstock was favoured at high SRT, with 61 % removal of volatile suspended solids and 84 % removal of total carbohydrates at SRT 64 d. However, low yield of liquid-phase products was observed at high SRT because of strong methanogenic activity (57 % removal of the total COD). The highest yield of liquid-phase products was 20 % (COD basis) at SRT 8 d. Although high biodegradation of the feedstock was observed after long-term batch acclimation (30 and 80 d), once the digestion conditions were switched to semi-continuous at short SRT (2 d) the biodegradation of the feedstock decreased considerably. The best process performance was observed at 40 OC.
| Original language | English |
|---|---|
| Pages (from-to) | 233-244 |
| Number of pages | 12 |
| Journal | Biomass Conversion and Biorefinery |
| Volume | 12 |
| Issue number | 2 |
| Early online date | 8 Jun 2020 |
| DOIs | |
| Publication status | Published - Feb 2022 |
Bibliographical note
Open Access via the Springer Compact AgreementAcknowledgments
The authors wish to acknowledge Carnegie Trust for the Universities of Scotland (Research Incentive Grant 70307), CAPES (Coordination for the Improvement of Higher Education Personnel) for the financial support (Process 011944/2013-07), Mrs Elizabeth Hendrie and Ms Gabriela Paupitz for the technical collaboration and Mr Andrew Rennie (Gask Farm, Turriff, Aberdeenshire, UK) for kindly providing the inoculum used in the experiments.
Keywords
- anaerobic digestion
- carboxylates
- lignocellulose
- grass
- biorefinery
Access to Document
- Silva_Dionisi_BCB_EffectOfTheOperating_AAM
This is a post-peer-review, pre-copyedit version of an article published in Biomass Conversion and Biorefinery. The final authenticated version is available online at: http://dx.doi.org/[insert DOI].
- Silva_etal_BCB_Effect_Operating_Conditions_VoR
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